[INFO] cloning repository https://github.com/zouroboros/armchair-reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zouroboros/armchair-reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzouroboros%2Farmchair-reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzouroboros%2Farmchair-reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73cfce6a5f04257501a7574e88d3e7c5c8aaf8a5
[INFO] testing zouroboros/armchair-reader against master#d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d for pr-83796
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzouroboros%2Farmchair-reader" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zouroboros/armchair-reader on toolchain d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zouroboros/armchair-reader
[INFO] finished tweaking git repo https://github.com/zouroboros/armchair-reader
[INFO] tweaked toml for git repo https://github.com/zouroboros/armchair-reader written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/zouroboros/armchair-reader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af9172af95dcae2eab014e65aa3ca41ff7764d986335541b9c46bed7705fc39e
[INFO] running `Command { std: "docker" "start" "-a" "af9172af95dcae2eab014e65aa3ca41ff7764d986335541b9c46bed7705fc39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af9172af95dcae2eab014e65aa3ca41ff7764d986335541b9c46bed7705fc39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9172af95dcae2eab014e65aa3ca41ff7764d986335541b9c46bed7705fc39e", kill_on_drop: false }`
[INFO] [stdout] af9172af95dcae2eab014e65aa3ca41ff7764d986335541b9c46bed7705fc39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1326487ff43b26a6c9733be6db3053c2b2720b6f5d46e1e843f1ccc526d6723c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1326487ff43b26a6c9733be6db3053c2b2720b6f5d46e1e843f1ccc526d6723c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling gio v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.6.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]    Compiling gdk v0.10.0
[INFO] [stderr]    Compiling atk v0.6.0
[INFO] [stderr]    Compiling gtk v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling gio-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.8.0
[INFO] [stderr]    Compiling atk-sys v0.8.0
[INFO] [stderr]    Compiling gdk-sys v0.8.0
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]    Compiling glib v0.7.1
[INFO] [stderr]    Compiling poppler v0.2.4 (/opt/rustwide/workdir/poppler-rs)
[INFO] [stderr]    Compiling armchair-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `gtk::*`
[INFO] [stdout]  --> src/ui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use gtk::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `App`
[INFO] [stdout]  --> src/app.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct App {}
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] running `Command { std: "docker" "inspect" "1326487ff43b26a6c9733be6db3053c2b2720b6f5d46e1e843f1ccc526d6723c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1326487ff43b26a6c9733be6db3053c2b2720b6f5d46e1e843f1ccc526d6723c", kill_on_drop: false }`
[INFO] [stdout] 1326487ff43b26a6c9733be6db3053c2b2720b6f5d46e1e843f1ccc526d6723c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf060095da808bc3617bf04fdaa48345e0b438ded5712d563c0462525bd4968
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "caf060095da808bc3617bf04fdaa48345e0b438ded5712d563c0462525bd4968", kill_on_drop: false }`
[INFO] [stderr]    Compiling armchair-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `gtk::*`
[INFO] [stdout]  --> src/ui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use gtk::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `App`
[INFO] [stdout]  --> src/app.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct App {}
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "caf060095da808bc3617bf04fdaa48345e0b438ded5712d563c0462525bd4968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf060095da808bc3617bf04fdaa48345e0b438ded5712d563c0462525bd4968", kill_on_drop: false }`
[INFO] [stdout] caf060095da808bc3617bf04fdaa48345e0b438ded5712d563c0462525bd4968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f4d28a528f6b053ec88441ed8b8e7337586793ed085cf3516216f3404ecc20f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f4d28a528f6b053ec88441ed8b8e7337586793ed085cf3516216f3404ecc20f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `gtk::*`
[INFO] [stderr]  --> src/ui.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use gtk::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `App`
[INFO] [stderr]  --> src/app.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct App {}
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/armchair_reader-93785d50ea01e17b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f4d28a528f6b053ec88441ed8b8e7337586793ed085cf3516216f3404ecc20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4d28a528f6b053ec88441ed8b8e7337586793ed085cf3516216f3404ecc20f", kill_on_drop: false }`
[INFO] [stdout] 4f4d28a528f6b053ec88441ed8b8e7337586793ed085cf3516216f3404ecc20f